#657BE1#657BE1

#657BE1 is a mid, vivid blue. Relative luminance 0.224; OKLCH L 61.5% C 0.156 H 272.0°. Best body text is #000000 at 5.47:1 contrast (WCAG AA passes).

Color values

HEX	#657BE1
RGB	rgb(101, 123, 225)
HSL	hsl(229, 67%, 64%)
HSV	hsv(229, 55%, 88%)
CMYK	cmyk(55.1%, 45.3%, 0%, 11.8%)
CIE-LAB	lab(54.41, 21.21, -54.57)
CIE-LCH	lch(54.41, 58.55, 291.24°)
OKLab	oklab(61.49% 0.0053 -0.1554)
OKLCH	oklch(61.49% 0.156 272)
XYZ	xyz(26.0359, 22.3670, 74.1648)
Luminance	0.2237 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657BE1 #E1CB65

analogous

#65B9E1 #657BE1 #8D65E1

triadic

#657BE1 #E1657B #7BE165

tetradic

#657BE1 #E165B9 #E1CB65 #65E18D

square

#657BE1 #E165B9 #E1CB65 #65E18D

split-complementary

#657BE1 #E18D65 #B9E165

monochromatic

#213AAA #324FD7 #657BE1 #98A7EB #CBD3F5

Accessibility & contrast

On white

3.84

#657BE1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.47

#657BE1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657BE1

5.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657BE1	#FFFFFF	#000000	##000000
##657BE1	1.00	3.84	5.47	5.47
#FFFFFF	3.84	1.00	21.00	21.00
#000000	5.47	21.00	1.00	1.00
##000000	5.47	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D88E5

Deuteranopia (green-blind)

#3D7DDF

Tritanopia (blue-blind)

#1F92A3

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #657be1;
/* rgb */ color: rgb(101, 123, 225);
/* oklch */ color: oklch(61.5% 0.156 272.0);

Tailwind

colors: {
  custom: {
    50: '#9aa0eb',
    500: '#657be1',
    950: '#000000',
  },
}

SCSS

$custom: #657be1;
$custom-light: #9aa0eb;
$custom-dark: #000000;

JSON

{
  "hex": "#657be1",
  "rgb": {
    "r": 101,
    "g": 123,
    "b": 225
  },
  "hsl": {
    "h": 229.355,
    "s": 67.391,
    "l": 63.922
  },
  "oklch": {
    "l": 0.61489,
    "c": 0.15552,
    "h": 272
  },
  "luminance": 0.22369
}

Semantic roles & 50–950 ramp

primary

#657BE1

secondary

#E7DFBB

accent

#AE16CF

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0F0E16

muted

#7E7E84

Preview Lab

Preview with #657BE1

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →